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STOCK BASED COMPENSATION EXPENSE - Narrative (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
day
executive
$ / shares
shares
Mar. 31, 2022
USD ($)
shares
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
day
$ / shares
shares
Sep. 30, 2021
USD ($)
Jun. 30, 2022
milestone
day
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total stock-based compensation expense | $ $ 102,845   $ 49,047 $ 211,214 $ 151,983  
Time Based Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting period       36 months    
RSUs            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting period       3 years    
Grants in period (in shares) | shares       14,196,410    
RSUs | Technical Engineering Employees            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting period       3 years    
RSUs | Director            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting period       1 year    
Market based RSUs            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of award vesting milestones | milestone           3
Vesting threshold trading days | day 20     20   20
Total stock-based compensation expense | $ $ 55,800          
Incremental compensation cost | $ $ 4,300          
Grants in period (in shares) | shares 402,335 949,026   1,351,361    
Total grant date fair value | $ $ 1,100 $ 2,200   $ 1,100    
Number of executives, shares granted | executive 2          
Market based RSUs | $40 Vesting Milestone            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Target stock price per share (in dollars per share) $ 40     $ 40    
Market based RSUs | $55 Vesting Milestone            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Target stock price per share (in dollars per share) 55     55    
Market based RSUs | $25 Vesting Milestone            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Target stock price per share (in dollars per share) $ 25     $ 25    
2017 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expiration period       10 years    
Minimum | Market based RSUs            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Target stock price per share (in dollars per share)           $ 25
Minimum | 2017 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Exercise period       1 year    
Maximum | Market based RSUs            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Target stock price per share (in dollars per share)           $ 55
Maximum | 2017 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Exercise period       4 years